Home/CVE/Local privilege escalation due to insecure driver communication port permissions. The following products are affected: A
CVE

CVE-2022-45451

Local privilege escalation due to insecure driver communication port permissions. The following products are affected: A

Local privilege escalation due to insecure driver communication port permissions. The following products are affected: Acronis Cyber Protect Home Office (Windows) before build 40173, Acronis Agent (Windows) before build 30600, Acronis Cyber Protect 15 (Windows) before build 30984.

HIGH · CVSS 7.8 EPSS 0.00255
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules5 YARA rules0
⬡

Weakness Classification

CWE-269Improper Privilege Management
CWE-269Improper Privilege Management
▤

Affected Products & Versions

3
acronis agent< c22.10
acronis cyber protectall versions
acronis cyber protect home office< 40173
◈

Sigma Hunt Rules

5
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productcriticalWMI Backdoor Exchange Transport Agent
productcriticalHackTool - BabyShark Agent Default URL Pattern
producthighSuspicious Windows Update Agent Empty Cmdline
producthighSuspicious BitLocker Access Agent Update Utility Execution
producthighAtera Agent Installation
▣

Scoring & Timeline

7.8
HIGH · CVSS v3.1 · security@acronis.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD31 Aug 2023 · 03:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://security-advisory.acronis.com/SEC-5487Release NotesVendor Advisory
https://security-advisory.acronis.com/advisories/SEC-4858Release NotesVendor Advisory
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